EFFICIENT ENERGY GMBH
🏢 View company profile →28Patents
28Active
28Granted
50Portfolio score
Filing activity: Apr 2, 2007 → Mar 26, 2020 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7841201B2 | Heat pump that evaporates water as a working liquid to generate a working vapor | Emerging Cross-Sectional Technologies | 11 | Active |
| US10041708B2 | Heat pump and method for pumping heat in a free cooling mode | Emerging Cross-Sectional Technologies | 9 | Active |
| US10256686B2 | Rotor and method for producing a rotor | Electricity | 6 | Active |
| US9960681B2 | Multi-phase buck switching power supply | Emerging Cross-Sectional Technologies | 3 | Active |
| US8484991B2 | Heat pump comprising a cooling mode | Emerging Cross-Sectional Technologies | 3 | Active |
| US9316422B2 | Heat pump, small power station and method of pumping heat | Emerging Cross-Sectional Technologies | 2 | Active |
| US9933190B2 | Vertically arranged heat pump and method of manufacturing the vertically arranged heat pump | Emerging Cross-Sectional Technologies | 2 | Active |
| US9803899B2 | Condenser, method for condensing, and heat pump | Emerging Cross-Sectional Technologies | 2 | Active |
| US10976078B2 | Heat pump system comprising two stages, method of operating a heat pump system and method of producing a heat pump system | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US9709305B2 | Liquefier for a heat pump and heat pump | Emerging Cross-Sectional Technologies | 1 | Active |
| US8978408B2 | Liquefier for a heat pump and heat pump | Emerging Cross-Sectional Technologies | 1 | Active |
| US9732994B2 | Device and method for an efficient surface evaporation and for an efficient condensation | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11079146B2 | Heat pump having a foreign gas collection chamber, method for operating a heat pump, and method for producing a heat pump | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11137172B2 | Heat pump system having heat pump assemblies coupled on the input side and output side | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US10724770B2 | Heat pump with a motor cooling arrangement | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10921031B2 | Heat pump with a gas trap, method for operating with a gas trap, and method for producing a heat pump with a gas trap | Emerging Cross-Sectional Technologies | 0 | Active |
| US9222483B2 | Heat pump | Emerging Cross-Sectional Technologies | 0 | Active |
| US11512878B2 | Easily dismountable heat pump and method of manufacturing a heat pump | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11105432B2 | Fluid switchover device and method of producing a fluid switchover device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US11852388B2 | Heat pump arrangement having a controllable heat exchanger and method for producing a heat pump arrangement | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10473368B2 | Heat pump, small power station and method of pumping heat | Emerging Cross-Sectional Technologies | 0 | Active |
| US9939182B2 | Liquefier for a heat pump, heat pump, and method for manufacturing a liquefier | Emerging Cross-Sectional Technologies | 0 | Active |
| US11754325B2 | Heat pump having a cooling device for cooling a guide space or a suction mouth | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10234179B2 | Thermodynamic device and method of producing a thermodynamic device | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10337746B2 | Heat pump | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.